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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | 74LS |
| Packaging | Bulk | |
| Part Status | Active |
| Logic Type | Transceiver, Non-Inverting |
| Number of Elements | 1 |
| Number of Bits per Element | 8 |
| Input Type | - |
| Output Type | 3-State |
| Current - Output High, Low | 15mA, 24mA |
| Voltage - Supply | 4.75V ~ 5.25V |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 20-SOIC (0.209", 5.30mm Width) |
| Supplier Device Package | 20-SO |
The SN74LS623NS is a single-channel non-inverting transceiver from Texas Instruments, part of the 74LS Low-Power Schottky family. It operates at 5V (4.75V to 5.25V) and provides bidirectional data transfer with 3-State outputs. The device can sink 24mA and source 15mA, suitable for driving moderate bus loads. Housed in a compact 20-SOIC package, it is ideal for space-constrained applications. Common uses include data bus interfacing, memory transfer, and peripheral communication in industrial and consumer electronics.
- Low-Power Schottky Technology: Reduces power consumption compared to standard 74S logic, ideal for power-sensitive designs.
- Bidirectional Transceiver Function: Simplifies PCB layout by enabling two-way data flow on a single bus.
- 3-State Outputs: Prevents bus contention and allows multiple devices to share the same data lines.
- Wide Operating Temperature Range: Supports 0°C to 70°C, suitable for commercial applications.
Bidirectional Data Bus
Implement bidirectional data buses in microcontroller systems. The transceiver function allows data to flow in both directions, controlled by a direction pin.
Memory Data Transfer
Interface between memory banks and processors. The 24mA sink current provides adequate drive for memory data lines.
Peripheral Interface
Connect peripherals to a central processing unit. The 3-State outputs prevent bus contention when multiple peripherals are active.
Low-Power Systems
Use in battery-powered or power-sensitive equipment. The 74LS family consumes less power than standard 74S logic.
Industrial Sensor Interfacing
Buffer sensor signals in industrial control systems. The non-inverting transceiver maintains signal integrity over longer traces.
Telecommunication Line Cards
Manage data flow in telecom equipment. The bidirectional capability simplifies line card design.
- Q: What logic family does the SN74LS623NS belong to?
- A: It is part of the 74LS Low-Power Schottky family, balancing speed and power efficiency.
- Q: What is the function of this device?
- A: It is a single-channel, non-inverting transceiver, capable of bidirectional data flow.
- Q: How many channels are available?
- A: It provides 1 channel for bidirectional communication.
- Q: What is the output type?
- A: It features 3-State outputs for bus-oriented applications.
- Q: What is the supply voltage range?
- A: The operating voltage is 4.75V to 5.25V, standard for 5V logic.
- Q: What package does it come in?
- A: It is available in a 20-SOIC package (0.209", 5.30mm Width).
SN74LS623NS.pdf
- Q: What logic family does the SN74LS623NS belong to?
- A: It is part of the 74LS Low-Power Schottky family, balancing speed and power efficiency.
- Q: What is the function of this device?
- A: It is a single-channel, non-inverting transceiver, capable of bidirectional data flow.
- Q: How many channels are available?
- A: It provides 1 channel for bidirectional communication.
- Q: What is the output type?
- A: It features 3-State outputs for bus-oriented applications.
- Q: What is the supply voltage range?
- A: The operating voltage is 4.75V to 5.25V, standard for 5V logic.
- Q: What package does it come in?
- A: It is available in a 20-SOIC package (0.209", 5.30mm Width).